Animated Knots by Grog is a site for learning how to tie knots, with animated step-by-step demonstrations. It covers categories including boating, fishing and climbing knots, neckties, and surgical knots, and offers a Knot of the Day and basic knot guidance.
A game that teaches piano chords and chord progressions using a MIDI keyboard. The player selects a genre, scale, key and level, then plays notes and chords as they fall down the play area before reaching the bottom. Levels 1-3 are free and cover scale notes and basic chords; levels 4-8 are unlocked with a one-time purchase.
The Library of Juggling is an attempt to list popular and less popular juggling tricks in one organized place. It collects and animates juggling patterns, including iconic tricks such as the Cascade and Shower alongside others like Romeo's Revenge and the 531 Mills Mess. Tricks are organized by difficulty and by the number of balls used, from three-ball patterns through six-ball patterns.
The Bézier Game is a game to help users master the pen tool, requiring a keyboard and mouse. It offers tutorial stages, undo, redo, clear, snap to angle and unlink control handles, and reports completed stages with node counts. On touch devices it redirects to The Boolean Game.
The World Cube Association governs competitions for mechanical twisting puzzles, known as twisty puzzles, including the Rubik's Cube. A selection of these puzzles are official WCA events, and the site provides competition information, records and regulations.
Practice Drawing This! collects free drawing practice resources. These include variable 3D models intended for drawing practice and the Morning Sketches APP, which is described as helping users start drawing every day. The site also links to past newsletter articles.
Sensei's Library helps find books, reading material, archives, or public-domain educational texts.
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A game that teaches piano chords and chord progressions using a MIDI keyboard. The player selects a genre, scale, key and level, then plays notes and chords as they fall down the play area before reaching the bottom. Levels 1-3 are free and cover scale notes and basic chords; levels 4-8 are unlocked with a one-time purchase.
The Library of Juggling is an attempt to list popular and less popular juggling tricks in one organized place. It collects and animates juggling patterns, including iconic tricks such as the Cascade and Shower alongside others like Romeo's Revenge and the 531 Mills Mess. Tricks are organized by difficulty and by the number of balls used, from three-ball patterns through six-ball patterns.
The Bézier Game is a game to help users master the pen tool, requiring a keyboard and mouse. It offers tutorial stages, undo, redo, clear, snap to angle and unlink control handles, and reports completed stages with node counts. On touch devices it redirects to The Boolean Game.
The World Cube Association governs competitions for mechanical twisting puzzles, known as twisty puzzles, including the Rubik's Cube. A selection of these puzzles are official WCA events, and the site provides competition information, records and regulations.
Practice Drawing This! collects free drawing practice resources. These include variable 3D models intended for drawing practice and the Morning Sketches APP, which is described as helping users start drawing every day. The site also links to past newsletter articles.
Sensei's Library helps find books, reading material, archives, or public-domain educational texts.
